The band have even admitted to being massive fans, with the makers of the American television show casting the Icelandic musicians in a forthcoming episode.

Now Sigur Ros are set to go one better. As Consequence of Sound report, the band are to record a version of 'The Rains of Castamere' - a piece of music traditionally used right before something terrible happens...

The Icelandic group confirmed the news via an Instagram picture with 'Game Of Thrones' creator George R.R. Martin.

Listen to a short preview on Amazon and check out the photo below:

As an aside... The National have also covered 'The Rains of Castamere' - check it out below.